Wednesday, October 04, 2006

LEHO & HELO carding

There are many carding methods around, of which most focus either on showing count or on suit preference. Lots of experts like some sort of count, and lots of them hate it and swear by suit preference, because count gives away too much information to declarer. I'll leave that discussion for another time.

There are at least 2 methods which allow you to show both count AND suit preference with a single card! They're called LEHO and HELO, acronims for:
LEHO = Low Even High Odd
HELO = High Even Low Odd
They work best when playing UDCA or something similar, and when partner leads a suit where you have some length.

Suppose for the rest of the post that you're playing UDCA with LEHO.

Say you're defending 4, you hold T92 and partner leads Ace (apparently he wants to give you a ruff). You will discourage and/or show an odd number of cards, and you have 2 cards to do that: T and 9. Here comes LEHO in play:
- If you want the LOWEST remaining suit, you play an EVEN card (LEho)
- If you want the HIGHEST remaining suit, you play an ODD card (leHO)

So in our example:
- 2 would encourage partner to continue .
- 9 asks for a switch.
- T asks for a switch.

Important note: this is most useful in a long suit, so you might want to apply this only in a suit you bid.


Anonymous said...

and with a doubleton 10,9 you?

Free said...

Well, every system has it's problems... But this actually works best when you have a long suit to discard. The example could've been better, but it illustrates the point.